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- /* Copyright (C) 1991 Aladdin Enterprises. All rights reserved.
-
- This file is part of Ghostscript.
-
- Ghostscript is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY. No author or distributor accepts responsibility
- to anyone for the consequences of using it or for whether it serves any
- particular purpose or works at all, unless he says so in writing. Refer
- to the Ghostscript General Public License for full details.
-
- Everyone is granted permission to copy, modify and redistribute
- Ghostscript, but only under the conditions described in the Ghostscript
- General Public License. A copy of this license is supposed to have been
- given to you along with Ghostscript so you can know your rights and
- responsibilities. It should be in a file named COPYING. Among other
- things, the copyright notice and this notice must be preserved on all
- copies. */
-
- /* gdevlbp8.c */
- /* Canon LBP-8II driver for Ghostscript */
- #include "gdevprn.h"
-
- #define X_DPI 300
- #define Y_DPI 300
- #define LINE_SIZE ((X_DPI * 85 / 10 + 7) / 8) /* bytes per line */
-
- /* The device descriptors */
- private dev_proc_print_page(lbp8_print_page);
-
- gx_device_printer gs_lbp8_device =
- prn_device(prn_std_procs, "lbp8",
- 83, /* width_10ths, 8.3" */
- 117, /* height_10ths, 11.7" */
- X_DPI, Y_DPI,
- 0.16, 0.20, 0.32, 0.20, /* margins */
- 1, lbp8_print_page);
-
- /* ------ Internal routines ------ */
-
- #define ESC 0x1b
- #define CSI 0233
- static char can_inits[] = { ESC, ';', ESC, 'c', ESC, ';', /* reset, ISO */
- CSI, '2', '&', 'z', /* fullpaint mode */
- CSI, '1', '4', 'p', /* select page type (A4) */
- CSI, '1', '1', 'h', /* set mode */
- CSI, '7', ' ', 'I', /* select unit size (300dpi)*/
- };
-
-
- /* Send the page to the printer. */
- private int
- lbp8_print_page(gx_device_printer *pdev, FILE *prn_stream)
- { char data[LINE_SIZE*2];
- char *out_data;
- int out_count;
-
- #define CSI_print(str) fprintf(prn_stream, str, CSI)
- #define CSI_print_1(str,arg) fprintf(prn_stream, str, CSI, arg)
-
- /* initialize */
- fwrite(can_inits, sizeof(can_inits), 1, prn_stream);
-
- /* Send each scan line in turn */
- { int lnum;
- int line_size = gdev_mem_bytes_per_scan_line((gx_device *)pdev);
- byte rmask = (byte)(0xff << (-pdev->width & 7));
-
- for ( lnum = 0; lnum < pdev->height; lnum++ )
- { char *end_data = data + LINE_SIZE;
- gdev_prn_copy_scan_lines(pdev, lnum,
- (byte *)data, line_size);
- /* Mask off 1-bits beyond the line width. */
- end_data[-1] &= rmask;
- /* Remove trailing 0s. */
- while ( end_data > data && end_data[-1] == 0 )
- end_data--;
- if ( end_data != data )
- {
- int num_cols = 0;
-
- out_data = data;
- while(out_data < end_data && *out_data == 0)
- {
- num_cols += 8;
- out_data++;
- }
- out_count = end_data - out_data;
-
- /* move down */
- CSI_print_1("%c%dd", lnum);
- /* move across */
- CSI_print_1("%c%d`", num_cols);
-
- /* transfer raster graphics */
- fprintf(prn_stream, "%c%d;%d;300;.r",
- CSI, out_count, out_count);
-
- /* send the row */
- fwrite(out_data, sizeof(char),
- out_count, prn_stream);
- }
- }
- }
-
- /* eject page */
- fprintf(prn_stream, "%c=", ESC);
-
- return 0;
- }
-